Article View: sci.space.shuttle
Article #964Re: How do they get it pointing up?
From: Pete Jarvis
Date: Mon, 11 Dec 1989 14:47
Date: Mon, 11 Dec 1989 14:47
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In article <5519@hplabsb.HP.COM> dsmith@hplabsb.UUCP (David Smith) writes: >In article <2871@phred.UUCP> petej@phred.UUCP (Pete Jarvis) writes: >>When the SSME ignite, causing the stack to sway forward and back again, >>this is called "twang". The entire stack pivots. The SRB's do not flex. > ^^^^^ ^^^^^^ ^^^^^ ^^ ^^^ ^^^^ >Says who? > > David R. Smith, HP Labs David, if you've got something to add, why don't you? The orbiter stack *does* pivot. You can easily see it. The SRB's move as a unit with the orbiter during "twang". Peter Jarvis, Physio-Control
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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uunet!pilchuck!seahcx!phred!petej From: petej@phred.UUCP (Pete Jarvis) Newsgroups: sci.space.shuttle Subject: Re: How do they get it pointing up? Message-ID: <2885@phred.UUCP> Date: 11 Dec 89 14:47:49 GMT References: <1989Nov29.094841.19907@jarvis.csri.toronto.edu> <648@sirius.ua.oz.au> <2871@phred.UUCP> <5519@hplabsb.HP.COM> Reply-To: petej@phred.UUCP (Pete Jarvis) Organization: <5519@hplabsb.HP.COM>o Lines: 14